Montreal Protocol - Copenhagen Amendment

The Montreal Protocol on Substances that Deplete the Ozone Layer is a global agreement to protect the Earth’s ozone layer by phasing out the chemicals that deplete it. 

The 1992 Copenhagen Amendment: 

• Set the phase-out of consumption and production of CFCs (including fully halogenated CFCs), methyl chloroform, and carbon tetrachloride by January 1st, 1996, and of halons by January 1st, 1994. 
• Hydrobromofluorocarbons (HBFCs) and methyl bromide were added to the controlled substances list, with the former scheduled for developed-state phase-out by January 1st, 1996, and consumption and production of the latter to be frozen at 1991 levels. 
• HCFCs were added to the controlled substances list and required to be phased out gradually by 2030.

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